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A New Oospecies，Dictyoolithus Gongzhulingensis，from theEarly Cretaceous Quantou Formation in the Central Jilin Province

WANG Qiang1, ZAN Shu-qin2,3, JIN Li-yong2,CHEN Jun2   

  1. 1.College of Earth Sciences, Jilin University,Changchun 130061,China;2.Museum of Jilin University,Changchun 130026,China;3.The Geological Museum of China,Beijing 100031,China
  • Received:2005-09-22 Revised:1900-01-01 Online:2006-03-26 Published:2006-03-26
  • Contact: WANG Qiang

Abstract: A nest with four dinosaur eggs from the Early Cretaceous Quantou Formation in Gongzhuling area of Jilin Province is described here. The eggs are spherical in shape；the eggshell thickness varies between 1.4~1.7 mm；the outer surface of the eggshell is completely covered by circular or oval pits. Eggshell layer is composed of 2 to 3 superimposed basic structure units. There are some relatively wide pore canals between the units, which are laterally interlocked with interfusion each other to form a thin hard layer near the outer surface of the eggshell. The pore canals are irregular in shape. Based on all above mentioned characters of the egg fossils from Gongzhuling, Jilin Province the authors designate them as a new oospecies of Dictyoolithus, named as Dictyoolithus gongzhulinensis.Dictyoolithus gongzhulingensis is the first time found in the Northeast of China and also a new found in the Early Cretaceous strata.

Key words: Gongzhuling of Jilin Province, Early Cretaceous, Quantou Formation, dinosaur egg

CLC Number: 

  • Q915.86
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